Warn: Checkout Warning Popups
by Effective Apps
5.0
(12 reviews)
Best suited for merchants who want to display warning messages at checkout to reduce cart abandonment or clarify order details.
Add warnings for Prop 65 (P65), product availability, shipping delays, note, disclaimer and age gate Want to inform customers about possible shipping delays? Need to add a global note to a certain products collection? Did you stop shipping to some countries and need an easy way to alert customers? Warn got you covered. With Warn you can add unlimited, customizable warnings to your product page (PDP) and Checkout page, and target them globally or to specific products & countries. Secure your store with accurate warnings, shipping delays alerts, and reduce fraud, chargebacks and inconveniences. Want to inform customers about possible shipping delays? Need to add a global note to a certain products collection? Did you stop shipping to some countries and need an easy way to alert customers? Warn got you covered. With Warn you can add unlimited, customizable warnings to your product page (PDP) and Checkout page, and target them globally or to specific products & countries. Secure your store with accurate warnings, shipping delays alerts, and reduce fraud, chargebacks and inconveniences. more Show popups and textual warning note/disclaimer on product page (PDP) & checkout Add unlimited warnings: Prop 65, notice, FAQ, product labels & badges and alerts Show the warnings globally or target specific products, collections & countries Fully customizable warning style, texts, images and buttons to match your store You can entirely block the checkout process when the checkout warning appears
Copy from the Shopify App Store listing, unedited.Checkout - Other
Top line
conversion rate and average order value
Free
42/100
Mixed signals · from 10 reviews
What it does
Show popups and textual warning note/disclaimer on product page (PDP) & checkout
Add unlimited warnings: Prop 65, notice, FAQ, product labels & badges and alerts
Show the warnings globally or target specific products, collections & countries
Fully customizable warning style, texts, images and buttons to match your store
You can entirely block the checkout process when the checkout warning appears
There is no plan to choose
The listing shows this as free, with no paid tiers published — so there is no volume question to answer and nothing to size yourself against. Check the listing for in-app charges before you rely on that.
42
/ 100Mixed signals
Scored on 10 merchant reviews we hold for Warn: Checkout Warning Popups, across five checks. Every figure is computed from those reviews — expand any row to see the counts behind it.
Review history
2021–2026 · 10 reviews read| 2021 | 3 reviews |
|---|---|
| 2022 | 5 reviews |
| 2025 | 1 reviews |
| 2026 | 1 reviews |
What merchants say
5.0
0%
of reviews get an answer14%
had used it a year when they wroteRecent merchant reviews
The newest 8 of 12. Open one to read it in full, with the developer's reply where there is one.
Works perfectly for our needs
Excellent app! Support is fast and efficient. I would recommend it to everyone who needs warnings on their website.
I used this app to pop up an upodated information for delivery . It helps a lot. I would recomond you to try this too.
What an amazing App and Easy to use, it took me 1 minute to add my message by location, also what a great support system they have, they reply back and support on the spot. LOVE IT.
I needed a popup for International customers only and the app works great. It pops up once per day, per product opened, which is setup in the configuration. Custom service is great and has a fast response time.
So far so good with this app. I'm using it to display a prop 65 warning on products. What really sold me on this particular app is that I didn't like where the warning placement was on my product page so I reached out to support. Their support chat was so quick, not only to assess my problem, but they had me in touch with one of their devs within a few minutes in the same chat and he modified the placement right away. That level of service was impressive.
Very good app and amazing support!
Die App funktionierte auf meinem Computer/Betriebssystem zu Beginn nicht ganz einwandfrei, doch nach kurzem Chat mit dem Support Team wurde mir 100%ig geholfen. Sehr effizienter Support. Empfehlenswert!
Warn: Checkout Warning Popups FAQ
Answered from this app's own listing and its full review record.
Best suited for merchants who want to display warning messages at checkout to reduce cart abandonment or clarify order details.
The Shopify App Store lists this app as “Free”. It does not publish plain monthly prices we can compute against.
On our scorecard Warn: Checkout Warning Popups rates 42 out of 100 — mixed signals — read from 10 merchant reviews. The developer has published replies to 0 of 10 reviews. The score reflects what the review record shows, nothing more.
12 merchants have reviewed Warn: Checkout Warning Popups, averaging 5.0 out of 5. We hold the review history from 2021 to 2026, which is what the year-by-year chart on this page is built from.
At a glance
5.0 / 5 · 12 reviews
1
0 of 10 reviews
3 days
Free
December 23, 2019
2021 – 2026
Categories
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